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Finding the Fourth Proportional to 458,250.83, 687,436.62 and 170,023.26

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Solution

The fourth proportional to 458,250.83, 687,436.62 and 170,023.26 is: 255,057.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,250.83 : 687,436.62 = 170,023.26 : x
  2. Step 2: Convert to fraction form
    458,250.83/687,436.62 = 170,023.26/x
  3. Step 3: Cross multiply
    458,250.83x = 687,436.62 × 170,023.26
  4. Step 4: Simplify right side
    458,250.83x = 116,880,215,175.78
  5. Step 5: Solve for x
    x = 116,880,215,175.78/458,250.83
  6. Step 6: Final answer
    x = 255,057.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.